Pen



FIG. 1 is a perspective view of the first embodiment of a pen;

FIG. 2 is a front plan view of the first embodiment of the pen of FIG. 1;

FIG. 3 is a right side elevational view of the first embodiment of the pen of FIG. 1;

FIG. 4 is a rear plan view of the first embodiment of the pen of FIG. 1;

FIG. 5 is a bottom elevational view of the first embodiment of the pen of FIG. 1;

FIG. 6 is a top elevational view of the first embodiment of the pen of FIG. 1; and;

FIG. 7 is a perspective view of a further embodiment of a pen;

FIG. 8 is a front plan view of the further embodiment of the pen of FIG. 7;

FIG. 9 is a right side elevational view of the further embodiment of the pen of FIG. 7;

FIG. 10 is a rear plan view of the further embodiment of the pen of FIG. 7;

FIG. 11 is a bottom elevational view of the further embodiment of the pen of FIG. 7; and,

FIG. 12 is a top elevational view of the first embodiment of the pen of FIG. 7.

The left side elevational view of the first embodiment of the pen of FIG. 1 is a mirror image of the right side elevation view shown in FIG. 3.

The left side elevational view of the further embodiment of the pen of FIG. 7 is a mirror image of the right side elevation view shown in FIG. 9. 

The ornamental design for a pen, as shown and described. 